FR2378105A1 - Procede pour reduire au minimum la teneur en chlorate dans les hydroxydes de metaux alcalins - Google Patents
Procede pour reduire au minimum la teneur en chlorate dans les hydroxydes de metaux alcalinsInfo
- Publication number
- FR2378105A1 FR2378105A1 FR7801715A FR7801715A FR2378105A1 FR 2378105 A1 FR2378105 A1 FR 2378105A1 FR 7801715 A FR7801715 A FR 7801715A FR 7801715 A FR7801715 A FR 7801715A FR 2378105 A1 FR2378105 A1 FR 2378105A1
- Authority
- FR
- France
- Prior art keywords
- metal hydroxides
- minimizing
- alkali metal
- procedure
- alkaline metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
- C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/760,910 US4055476A (en) | 1977-01-21 | 1977-01-21 | Method for lowering chlorate content of alkali metal hydroxides |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2378105A1 true FR2378105A1 (fr) | 1978-08-18 |
FR2378105B1 FR2378105B1 (fi) | 1980-08-22 |
Family
ID=25060543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7801715A Granted FR2378105A1 (fr) | 1977-01-21 | 1978-01-20 | Procede pour reduire au minimum la teneur en chlorate dans les hydroxydes de metaux alcalins |
Country Status (20)
Country | Link |
---|---|
US (1) | US4055476A (fi) |
JP (1) | JPS5391098A (fi) |
AR (1) | AR216491A1 (fi) |
AU (1) | AU510228B2 (fi) |
BE (1) | BE863105A (fi) |
BR (1) | BR7800048A (fi) |
CA (1) | CA1092545A (fi) |
DD (1) | DD134784A5 (fi) |
DE (1) | DE2802264C3 (fi) |
FR (1) | FR2378105A1 (fi) |
GB (1) | GB1541336A (fi) |
IL (1) | IL53121A0 (fi) |
IT (1) | IT1091111B (fi) |
NL (1) | NL7711553A (fi) |
NO (1) | NO773639L (fi) |
PH (1) | PH15426A (fi) |
PL (1) | PL108934B1 (fi) |
SE (1) | SE7800711L (fi) |
SU (1) | SU660597A3 (fi) |
ZA (1) | ZA776326B (fi) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4481088A (en) * | 1982-07-06 | 1984-11-06 | Olin Corporation | Removal of chlorate from electrolyte cell brine |
JPS6077982A (ja) * | 1983-10-04 | 1985-05-02 | Kanegafuchi Chem Ind Co Ltd | 塩素酸塩抑制法 |
US4595468A (en) * | 1984-07-19 | 1986-06-17 | Eltech Systems Corporation | Cathode for electrolysis cell |
JPS6286187A (ja) * | 1985-10-09 | 1987-04-20 | Asahi Chem Ind Co Ltd | 水素発生用の電極 |
DE3707713A1 (de) * | 1987-03-11 | 1988-09-22 | Basf Ag | Verfahren zur entfernung von chlorat aus natronlauge |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3793163A (en) * | 1972-02-16 | 1974-02-19 | Diamond Shamrock Corp | Process using electrolyte additives for membrane cell operation |
DE2624202A1 (de) * | 1975-06-02 | 1976-12-23 | Goodrich Co B F | Elektrolyseverfahren zur herstellung von chlor an der anode und von aetzalkali an der kathode |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2823177A (en) * | 1954-01-13 | 1958-02-11 | Hooker Electrochemical Co | Method and apparatus for lowering the chlorate content of alkali metal hydroxides |
-
1977
- 1977-01-21 US US05/760,910 patent/US4055476A/en not_active Expired - Lifetime
- 1977-10-13 IL IL53121A patent/IL53121A0/xx unknown
- 1977-10-20 CA CA289,161A patent/CA1092545A/en not_active Expired
- 1977-10-20 NL NL7711553A patent/NL7711553A/xx not_active Application Discontinuation
- 1977-10-21 IT IT51522/77A patent/IT1091111B/it active
- 1977-10-24 ZA ZA00776326A patent/ZA776326B/xx unknown
- 1977-10-27 NO NO773639A patent/NO773639L/no unknown
- 1977-10-28 AR AR269766A patent/AR216491A1/es active
- 1977-12-12 JP JP14916677A patent/JPS5391098A/ja active Granted
- 1977-12-15 SU SU772555249A patent/SU660597A3/ru active
- 1977-12-28 GB GB54038/77A patent/GB1541336A/en not_active Expired
-
1978
- 1978-01-04 BR BR7800048A patent/BR7800048A/pt unknown
- 1978-01-11 PH PH20645A patent/PH15426A/en unknown
- 1978-01-12 PL PL1978203948A patent/PL108934B1/pl unknown
- 1978-01-19 DE DE2802264A patent/DE2802264C3/de not_active Expired
- 1978-01-20 DD DD78203330A patent/DD134784A5/xx unknown
- 1978-01-20 FR FR7801715A patent/FR2378105A1/fr active Granted
- 1978-01-20 SE SE7800711A patent/SE7800711L/xx unknown
- 1978-01-20 BE BE184467A patent/BE863105A/xx unknown
- 1978-01-23 AU AU32627/78A patent/AU510228B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3793163A (en) * | 1972-02-16 | 1974-02-19 | Diamond Shamrock Corp | Process using electrolyte additives for membrane cell operation |
DE2624202A1 (de) * | 1975-06-02 | 1976-12-23 | Goodrich Co B F | Elektrolyseverfahren zur herstellung von chlor an der anode und von aetzalkali an der kathode |
Also Published As
Publication number | Publication date |
---|---|
BE863105A (fr) | 1978-07-20 |
IL53121A0 (en) | 1977-12-30 |
PL108934B1 (en) | 1980-05-31 |
SE7800711L (sv) | 1978-07-22 |
US4055476A (en) | 1977-10-25 |
SU660597A3 (ru) | 1979-04-30 |
CA1092545A (en) | 1980-12-30 |
DD134784A5 (de) | 1979-03-21 |
DE2802264A1 (de) | 1978-07-27 |
AR216491A1 (es) | 1979-12-28 |
AU3262778A (en) | 1979-08-09 |
PH15426A (en) | 1983-01-18 |
ZA776326B (en) | 1978-11-29 |
GB1541336A (en) | 1979-02-28 |
IT1091111B (it) | 1985-06-26 |
FR2378105B1 (fi) | 1980-08-22 |
NO773639L (no) | 1978-07-24 |
JPS5511750B2 (fi) | 1980-03-27 |
DE2802264B2 (de) | 1979-07-19 |
JPS5391098A (en) | 1978-08-10 |
DE2802264C3 (de) | 1982-01-21 |
AU510228B2 (en) | 1980-06-12 |
BR7800048A (pt) | 1978-10-03 |
PL203948A1 (pl) | 1978-07-31 |
NL7711553A (nl) | 1978-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2449137A1 (fr) | Procede electrolytique d'obtention d'hypohalogenites de metaux alcalins et cellules d'electrolyse pour sa mise en oeuvre | |
FR2381112A1 (fr) | Procede pour produire de l'hypochlorite de sodium | |
FR2382518A1 (fr) | Cellule electrolytique a membrane du type filtre-presse monopolaire | |
FR2387910A1 (fr) | Purification d'une solution aqueuse de chlorure de sodium | |
FR2469473A1 (fr) | Procede et cellule electrolytique chlore-alcali avec un electrolyte polymere solide | |
FR2382519A1 (fr) | Cellule electrolytique a diaphragme du type filtre-presse monopolaire | |
FR2376228A1 (fr) | Cellule d'electrolyse a anodes entourees d'une membrane | |
FR2378105A1 (fr) | Procede pour reduire au minimum la teneur en chlorate dans les hydroxydes de metaux alcalins | |
FR2436194A1 (fr) | Cellule d'electrolyse amelioree et plus particulierement cellule pour l'electrolyse de chlorure de metal alcalin et procede pour son utilisation | |
GB1155927A (en) | Electrolytic manufacture of alkali metals. | |
RU99127308A (ru) | Электрохимическое получение щелочного металла из амальгамы щелочного металла | |
US4263119A (en) | Anode elements for monopolar filter press electrolysis cells | |
FR2417553A1 (fr) | Procede pour l'electrolyse du chlorure de sodium par un processus a membrane echangeuse d'ion | |
FR2356746A1 (fr) | Procede d'extraction electrolytique du nickel | |
SU1286109A3 (ru) | Монопол рный электролизер | |
SU878202A3 (ru) | Способ электролиза водного раствора хлорида натри | |
RU2020192C1 (ru) | Способ рафинирования золота | |
FR2470808A1 (fr) | Procede d'obtention d'hydrogene par electrolyse et cellule d'electrolyse adaptee a ce procede | |
FR2373614A1 (fr) | Procede pour la production de chlore et de carbonate de sodium monohydrate | |
GB1313441A (en) | Process for preparing chlorine and alkali phosphate solution by electrolysis and electrolytic cell for carrying out the process | |
GB1385646A (en) | Process for the preparation of 3,5-diiodo-4-hydroxy-benzonitrile and 3-iodo-4-hydroxy-5-nitro-benzonitrile | |
GB1335244A (en) | Process for the recovery of mercury from the brine filter sludge obtained in the elec-rolysis of an alkali metal chloride by the amalgam process | |
GB1161678A (en) | Alkali Metal Chlorate Cell and method | |
GB1051597A (fi) | ||
SU916603A1 (ru) | Способ получения хлора и щелочи 1 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |